Subtract 9/28 from 84/10
1st number: 8 4/10, 2nd number: 9/28
84/10 - 9/28 is 1131/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
84/10 = 84 × 14/10 × 14 = 1176/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
9/28 = 9 × 5/28 × 5 = 45/140 - Subtract the two like fractions:
1176/140 - 45/140 = 1176 - 45/140 = 1131/140 - In mixed form: 811/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10-18/28 84/20-9/28 84/10-9/56 84/10-27/28 84/30-9/28 84/10-9/84 84/10-45/28 84/50-9/28 84/10-63/28 84/70-9/28